Can you find out the remainder when 3^300 is divided by 5?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

Can you write down eight eights so that they add up to one thousand?

There once were seven dwarfs who were all brothers. They were all born two years apart. The youngest dwarf is seven years old. How old is his oldest brother?

A Shopkeeper collects 71 rupees in the form of 20 paisa and 25 paisa.
He collects a total of 324 coins.

Can you tell me how many number of 20-paisa and 25-paisa he got?

Find the combined weight of the Cat, Dog and Rabbit in the given picture.

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

Rectify the following equality 101 - 102 = 1 by moving just one digit.

You have two jars of chocolates labelled as P and Q. If you move one chocolate from P to Q, the number of chocolates on B will become twice the number of chocolates in A. If you move one chocolate from Q to P, the number of chocolates in both the jars will become equal.

Can you find out how many chocolates are there in P and Q respectively?

What's a single-digit number with no value?